This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
220V整流后变为310，是否有有310直接到15V,电流300mA就可以，是否有芯片推荐，谢谢
Hi
用反激topy的芯片都可以做，例如LM5022, UCC287XX,TPS40210,UCC2861等等 之类：
LM5022类似方案： http://www.ti.com.cn/tool/cn/PMP20745 因为你的输入是300V以上，可以修改变压器等参数，使其更加符合你的参数。
